package com.sky.controller.user;

import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.Result;
import com.sky.service.CategoryService;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

/**
 * C端-菜品接口
 * @className DishController
 * @description description
 * @auth xxk
 * @date 2025/8/4
 */
@Api(tags = "C端-菜品接口")
@RestController("userDishController")
@RequestMapping("/user/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @ApiOperation(value = "根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<DishVO>> list(@RequestParam Long categoryId ) {
        log.info("根据分类id查询菜品：{}", categoryId);

        //构造redis中的key
        String key = "dish_list_" + categoryId;

        //查询redis
        List<DishVO> dishVOList = (List<DishVO>) redisTemplate.opsForValue().get(key);

        //如果redis中有就直接返回
        if (dishVOList != null && dishVOList.size() > 0) {
            return Result.success(dishVOList);
        }

        //redis中没有，查库并写入redis
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);

        List<DishVO> list = dishService.listWithFlavor(dish);
        redisTemplate.opsForValue().set(key, list);
        return Result.success(list);
    }
}
